US PATENT SUBCLASS 221 / 238-- .~.~.~ All reciprocating (including oscillating)

US PATENT SUBCLASS 221 / 238
.~.~.~ All reciprocating (including oscillating)

Current as of: June, 1999
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221 /	HD	ARTICLE DISPENSING

208	DF	WITH DISCHARGE ASSISTANT {28}
224	DF	.~ Plural or combined with manipulating means {4}
236	DF	.~.~ Separately acting in series {2}
238		.~.~.~ All reciprocating (including oscillating)

DEFINITION

Classification: 221/238

(under subclass 236) Devices in which the plurality of discharge assistants and/or handling means each has a character of motion which is alternately forward and backward, to and fro, or in alternate directions.

SEE OR SEARCH THIS CLASS, SUBCLASS:

268+, for article dispensers having reciprocating discharge assistants and see the search notes to subclass 268.

SEE OR SEARCH CLASS

222, Dispensing,

243+, for reciprocating (including oscillating) agitators or discharge assistant means followed by other reciprocating or oscillating discharge assistant means in fluent material dispensing devices.